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PeerBasis
Compensation Comparability Determination

Fullerton Museum Center Association

Executive Director / CEO

EIN 237117023
CA · NTEE A500
FY ending 2023-06-30
June 9, 2026

This analysis benchmarks the total compensation of Elvia Rubalcava, Executive Director / CEO ($120,300) against every comparable organization that fit the selection criteria — 96 in total — drawn systematically from IRS Form 990 filings, not a hand-picked subset.

Compensation sits at approximately the 85th percentile of comparable organizationswithin the typical range

Benchmarked executive: Elvia Rubalcava — reported title “EXECUTIVE DIRECTOR”, a direct title match to the Executive Director / CEO role.

How comparable organizations were selected

96 organizations qualified on sector, size, and geography 96 within the band form the benchmarked peer set.

Distribution of comparable compensation

$8,801 total compensation of comparable organizations → $184,276 $120,300
$28,76710th
$48,84225th
$74,195Median
$99,22975th
$130,80990th
$120,300This org · 85th
p10$28,767
p25$48,842
p50$74,195
p75$99,229
p90$130,809
$120,300

Comparable organizations

Each figure is Form 990 Part VII columns D + F (reportable pay plus other compensation and benefits; column F may include amounts from related organizations), normalized to CA cost of living (BEA RPP, 2023) and to its filing year (CPI-U); the reported amount is on each linked 990.

OrganizationStateRevenueMatched titleComp
(reported)
Comp
(adjusted)
FY
German American Heritage Center IA$437,510 Executive Di $67,083 $82,622 2024
Long Island Maritime Museum NY$429,337 Executive Director $75,094 $78,583 2023
River Road African American Museum And Gallery LA$454,431 Executive Director $32,542 $40,306 2024
The Edge Motor Museum Inc TN$454,726 Executive Director $85,000 $100,501 2024
Galveston Children's Museum TX$459,157 Executive Director $60,659 $70,270 2023
Lowell's Maritime Foundation Inc MA$460,259 Executive Director $75,602 $76,419 2024
Rancho Obi-wan Inc CA$419,326 President/ce $29,795 $28,940 2024
New England Carousel Museum Inc CT$462,629 Executive Dir. $60,192 $63,483 2024
American Saddle Horse KY$465,305 Executive Director $102,750 $124,174 2024
Southeastern Museums Conference GA$411,676 Executive Director $83,825 $97,608 2023
The Coming King Foundation TX$410,943 Executve Director $33,857 $39,221 2023
German Village Society OH$410,500 Executive Di $83,333 $102,215 2023
Hawaiian Railway Society HI$471,022 Key Employee $51,600 $51,966 2024
Capri Community Film Society Inc AL$483,006 Director $77,678 $97,184 2023
Owensboro Area Museum Of Science And History Inc KY$396,253 Director $43,828 $52,967 2024
Afro-american Historical Association Of Fauquier County VA$487,717 Pres, Exec Dir $36,664 $39,820 2024
Hawaii Mobile Museum Of Tolerance HI$489,330 Executive Director $130,000 $130,921 2024
Finger Lakes Boating Musuem Inc NY$492,302 Executive Director $75,000 $76,233 2024
National Soaring Museum NY$493,119 Director $73,298 $74,503 2024
Kids 'N' Stuff An Interactive Experience For Kids MI$386,571 Executive Director $57,577 $66,849 2024
Swift Museum Foundation Inc TN$495,234 Exec Director $33,600 $39,728 2024
New England Ski Museum Inc NH$497,445 Executive Director (Former) $70,000 $72,706 2024
La Casa Del Libro Inc PR$497,619 Executive Director $9,061 $8,801 2024
Center For Land Use Interpretation CA$379,426 President $51,600 $51,600 2023
Insectarium And Butterfly Pavilion Inc VA$379,388 President And Director $8,481 $9,483 2023

Comp (reported) is the figure on each organization's Form 990 (columns D + F); Comp (adjusted) normalizes it to CA cost of living and 2023 dollars. Click any organization to verify the figure on ProPublica.

Methodology

Comparable organizations were drawn from electronically filed IRS Form 990 returns and matched on sector (NTEE code), budget (a size-adaptive revenue band that tightens as the organization grows), and geography (same-state first, broadening only when too few peers qualify); every organization within the band forms the peer set. To compare fairly across regions and years, peer compensation is normalized to CA cost of living (BEA Regional Price Parities, 2023) and to the subject's filing year (CPI-U). The figure benchmarked is Form 990 Part VII, Section A, columns D + F — reportable pay plus other compensation, benefits, and deferred amounts (column F may include amounts from related organizations) — with the chief executive matched by role. Related-organization amounts (column E) and institutional trustees are excluded. Full methodology: peerbasis.org/methodology.

Sample, role match & sensitivity

Sensitivity — the subject's percentile under alternative compensation definitions:

BasisSubject percentile
Total compensation (D + F), cost-of-living + inflation adjusted — the PeerBasis default85th
Total compensation (D + F), as reported (no adjustments)90th
Reportable pay only (column D), adjusted86th
All sources (D + E + F), adjusted84th

If the percentile moves materially across these definitions, the result is sensitive to methodology choices, and the board should weigh which basis best fits its facts.

Rebuttable presumption of reasonableness · 26 CFR 53.4958-6

Compensation paid by a tax-exempt organization is presumed reasonable — shifting the burden to the IRS — when three requirements are met. This report supplies the comparability data for the second. The board should record the following in its minutes concurrently with its decision:

Draft board minutes — executive compensation

  1. The compensation of the Executive Director / CEO (Elvia Rubalcava) was approved in advance by [the Board / Compensation Committee], composed of members with no conflict of interest with respect to the arrangement.
  2. Prior to its determination, the authorized body obtained and relied upon appropriate comparability data, namely the PeerBasis Compensation Comparability Determination dated June 9, 2026, comparing compensation against 96 similarly situated organizations (Same NTEE sector (A50), nationwide + budget 0.67–1.5× revenue).
  3. The authorized body determined that total compensation of $120,300 is reasonable (approximately the 85th percentile of comparable organizations) and documented the basis for this determination concurrently, on [date], by a vote of [__ for / __ against].

Sources: IRS Form 990 e-file data (apps.irs.gov); IRS Business Master File (NTEE classification). Every figure traces to an original public filing — click any organization above to verify it on ProPublica. PeerBasis is a service of Prismind Analytics; its methodology is published, was commissioned for independent adversarial review, and discloses its own limitations. This report is comparability data to support a board's good-faith determination under IRC 4958; it is not legal or tax advice. Generated by PeerBasis on June 9, 2026.